S. Mamede
IUCN Not ReportedSite of Community Importance (Habitats Directive) · 2008
1 151 km²
Municipality · PRT
Elvas
Portugal
CsaTemperate, dry summer, hot summer(100 %)
Species observed
1 503
Observations
59 088
Area
631,1km²
Ecological tissue
Sample of 32 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Elvas : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 62 interactions GloBI sur 3 types (connectance 12.5%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
32
Interactions affichées
62
Connectance
0.125
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 503 distinct species · 59 088 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
16,3°C
Annual rain
624mm
Warmest m°
32,1°C
Coldest m°
4,1°C
Elevation: 291 m on average (min 160 m, max 459 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
16,3°C
Annual rain
624mm
Warmest month
32,1°C
Coldest month
4,1°C
Mean alt.
291m
Min
160m
Max
459m
Std. dev.
72m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,9
Org. C
25,3g/kg
Clay
16,8%
Sand
51,2%
Silt
32,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,9
Org. C
39,8g/kg
Clay
16,2%
Sand
49,7%
Silt
34,1%
5–15 cm
pH H₂O
6,1
Org. C
19,1g/kg
Clay
16,4%
Sand
48,2%
Silt
35,4%
15–30 cm
pH H₂O
5,6
Org. C
17,0g/kg
Clay
17,7%
Sand
55,7%
Silt
26,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest10.9%
Crops40.7%
Built-up0.3%
Bare soil2.6%
Other (grassland, water…)45.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 2 lakes · 24 rivers
Hydrology metrics for this exact territory
Stream length here
128,0km
Lake surface here
5,99km²
Basins crossed
4
Max stream order
6
Max drainage
51 047km²
Discharge in basins
76,5m³/s
Mean precip.
615mm/an
Mean T°
16,4°C
Moisture idx
-0,49
Max snow
1%
Mean runoff
163mm/an
Mean elev. (basins)
283m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (24, ord ≥ 4)
- Ribeira do Caiolaord 2len here19.62 km98%total20 km
- Ribeiro da Quixolaord 1len here13.65 km98%total14 km
- Río Guadiana / Rio Guadianaord 6len here10.74 km9%total123 km
- Ribeiro do Can-Cãoord 6len here7.96 km81%total10 km
- Ribeira do Chavesord 1len here7.53 km99%total8 km
- Ribeira da Velhaord 2len here7.28 km51%total14 km
- Ribeiro do Varvalhoord 2len here6.61 km98%total7 km
- Ribeiro de Varcheord 2len here6.36 km95%total7 km
- Ribeira da Coutadaord 1len here6.30 km100%total6 km
- Ribeira de Água de Banhosord 1len here6.17 km100%total6 km
- Rio Caiaord 3len here5.17 km14%total37 km
- Ribeira da Assecaord 2len here5.15 km60%total9 km
12 more river segmentssorted by Strahler order + length
- Ribeiro da Lajeord 1len here4.78 km90%total5 km
- Ribeira da Murteiraord 1len here3.80 km100%total4 km
- Ribeiro dos Mosqueirosord 6len here3.76 km99%total4 km
- Rio Caia / Río Cayaord 3len here3.27 km47%total7 km
- Ribeiro da Pegadaord 1len here2.06 km78%total3 km
- Ribeira de Algaléord 3len here1.78 km9%total21 km
- Ribeira de Muresord 6len here1.71 km9%total20 km
- Ribeiro da Tapadaord 1len here1.48 km48%total3 km
- Ribeira do Picoord 3len here1.41 km32%total4 km
- Ribeiro das Espadasord 1len here0.88 km100%total1 km
- Ribeira de Borbaord 2len here0.52 km6%total9 km
- Canal de Campo Maiorord 1len here≈ tangenttotal4 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
1,0nW
Built-up
30,2%
Pesticides
38,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas8
IUCN Not Reported · 8
Caia
IUCN Not ReportedSite of Community Importance (Habitats Directive) · 2008
311 km²
Vila Fernando
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2008
53 km²
São Vicente
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2008
36 km²
Rio Guadiana / Juromenha
IUCN Not ReportedSite of Community Importance (Habitats Directive) · 2008
22 km²
Torre da Bolsa
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2008
9 km²
Complete list8 protected areas
- S. MamedeSite of Community Importance (Habitats Directive)IUCN Not Reported20081 151 km²
- CaiaSite of Community Importance (Habitats Directive)IUCN Not Reported2008311 km²
- Vila FernandoSpecial Protection Area (Birds Directive)IUCN Not Reported200853 km²
- São VicenteSpecial Protection Area (Birds Directive)IUCN Not Reported200836 km²
- Rio Guadiana / JuromenhaSite of Community Importance (Habitats Directive)IUCN Not Reported200822 km²
- Torre da BolsaSpecial Protection Area (Birds Directive)IUCN Not Reported20089 km²
- Río Guadiana InternacionalSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20157 km²
- Azud de BadajozSpecial Protection Area (Birds Directive)IUCN Not Reported20044 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN